iBeacon, Apple’s new communication tool, brings locational awareness indoors. Unlike GPS, which typically requires an unobstructed path between the device and satellite, the platform relies on small Bluetooth modules that identify people’s proximity in a given location inside or out. The beacons can then push tailored content (such as exhibit notes in museums or coupons in a store) directly to smartphones. Developers have already built hundreds of applications, including one that lets fans order concessions in baseball stadiums and another that guides blind passengers through the San Francisco airport. Apple
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